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<h1 id="sec_name">
<span data-if="hdevelop" style="display:inline;">crop_domain_rel</span><span data-if="c" style="display:none;">crop_domain_rel</span><span data-if="cpp" style="display:none;">CropDomainRel</span><span data-if="dotnet" style="display:none;">CropDomainRel</span><span data-if="python" style="display:none;">crop_domain_rel</span> (算子名称)</h1>
<h2>名称</h2>
<p><code><span data-if="hdevelop" style="display:inline;">crop_domain_rel</span><span data-if="c" style="display:none;">crop_domain_rel</span><span data-if="cpp" style="display:none;">CropDomainRel</span><span data-if="dotnet" style="display:none;">CropDomainRel</span><span data-if="python" style="display:none;">crop_domain_rel</span></code> — Cut out an image area relative to the domain.</p>
<h2 id="sec_synopsis">参数签名</h2>
<div data-if="hdevelop" style="display:inline;">
<p>
<code><b>crop_domain_rel</b>(<a href="#Image"><i>Image</i></a> : <a href="#ImagePart"><i>ImagePart</i></a> : <a href="#Top"><i>Top</i></a>, <a href="#Left"><i>Left</i></a>, <a href="#Bottom"><i>Bottom</i></a>, <a href="#Right"><i>Right</i></a> : )</code></p>
</div>
<div data-if="c" style="display:none;">
<p>
<code>Herror <b>crop_domain_rel</b>(const Hobject <a href="#Image"><i>Image</i></a>, Hobject* <a href="#ImagePart"><i>ImagePart</i></a>, const Hlong <a href="#Top"><i>Top</i></a>, const Hlong <a href="#Left"><i>Left</i></a>, const Hlong <a href="#Bottom"><i>Bottom</i></a>, const Hlong <a href="#Right"><i>Right</i></a>)</code></p>
<p>
<code>Herror <b>T_crop_domain_rel</b>(const Hobject <a href="#Image"><i>Image</i></a>, Hobject* <a href="#ImagePart"><i>ImagePart</i></a>, const Htuple <a href="#Top"><i>Top</i></a>, const Htuple <a href="#Left"><i>Left</i></a>, const Htuple <a href="#Bottom"><i>Bottom</i></a>, const Htuple <a href="#Right"><i>Right</i></a>)</code></p>
</div>
<div data-if="cpp" style="display:none;">
<p>
<code>void <b>CropDomainRel</b>(const HObject&amp; <a href="#Image"><i>Image</i></a>, HObject* <a href="#ImagePart"><i>ImagePart</i></a>, const HTuple&amp; <a href="#Top"><i>Top</i></a>, const HTuple&amp; <a href="#Left"><i>Left</i></a>, const HTuple&amp; <a href="#Bottom"><i>Bottom</i></a>, const HTuple&amp; <a href="#Right"><i>Right</i></a>)</code></p>
<p>
<code><a href="HImage.html">HImage</a> <a href="HImage.html">HImage</a>::<b>CropDomainRel</b>(Hlong <a href="#Top"><i>Top</i></a>, Hlong <a href="#Left"><i>Left</i></a>, Hlong <a href="#Bottom"><i>Bottom</i></a>, Hlong <a href="#Right"><i>Right</i></a>) const</code></p>
</div>
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<div data-if="dotnet" style="display:none;">
<p>
<code>static void <a href="HOperatorSet.html">HOperatorSet</a>.<b>CropDomainRel</b>(<a href="HObject.html">HObject</a> <a href="#Image"><i>image</i></a>, out <a href="HObject.html">HObject</a> <a href="#ImagePart"><i>imagePart</i></a>, <a href="HTuple.html">HTuple</a> <a href="#Top"><i>top</i></a>, <a href="HTuple.html">HTuple</a> <a href="#Left"><i>left</i></a>, <a href="HTuple.html">HTuple</a> <a href="#Bottom"><i>bottom</i></a>, <a href="HTuple.html">HTuple</a> <a href="#Right"><i>right</i></a>)</code></p>
<p>
<code><a href="HImage.html">HImage</a> <a href="HImage.html">HImage</a>.<b>CropDomainRel</b>(int <a href="#Top"><i>top</i></a>, int <a href="#Left"><i>left</i></a>, int <a href="#Bottom"><i>bottom</i></a>, int <a href="#Right"><i>right</i></a>)</code></p>
</div>
<div data-if="python" style="display:none;">
<p>
<code>def <b>crop_domain_rel</b>(<a href="#Image"><i>image</i></a>: HObject, <a href="#Top"><i>top</i></a>: int, <a href="#Left"><i>left</i></a>: int, <a href="#Bottom"><i>bottom</i></a>: int, <a href="#Right"><i>right</i></a>: int) -&gt; HObject</code></p>
</div>
<h2 id="sec_description">描述</h2>
<p><code><span data-if="hdevelop" style="display:inline">crop_domain_rel</span><span data-if="c" style="display:none">crop_domain_rel</span><span data-if="cpp" style="display:none">CropDomainRel</span><span data-if="com" style="display:none">CropDomainRel</span><span data-if="dotnet" style="display:none">CropDomainRel</span><span data-if="python" style="display:none">crop_domain_rel</span></code> cuts a rectangular area from the input
images.  The area is determined by the surrounding rectangle of the
domain of the input image.  The rectangle can be influenced by the
control parameters to modify at the top (<a href="#Top"><i><code><span data-if="hdevelop" style="display:inline">Top</span><span data-if="c" style="display:none">Top</span><span data-if="cpp" style="display:none">Top</span><span data-if="com" style="display:none">Top</span><span data-if="dotnet" style="display:none">top</span><span data-if="python" style="display:none">top</span></code></i></a>), at the left
(<a href="#Left"><i><code><span data-if="hdevelop" style="display:inline">Left</span><span data-if="c" style="display:none">Left</span><span data-if="cpp" style="display:none">Left</span><span data-if="com" style="display:none">Left</span><span data-if="dotnet" style="display:none">left</span><span data-if="python" style="display:none">left</span></code></i></a>), at the bottom (<a href="#Bottom"><i><code><span data-if="hdevelop" style="display:inline">Bottom</span><span data-if="c" style="display:none">Bottom</span><span data-if="cpp" style="display:none">Bottom</span><span data-if="com" style="display:none">Bottom</span><span data-if="dotnet" style="display:none">bottom</span><span data-if="python" style="display:none">bottom</span></code></i></a>), and at the right
(<a href="#Right"><i><code><span data-if="hdevelop" style="display:inline">Right</span><span data-if="c" style="display:none">Right</span><span data-if="cpp" style="display:none">Right</span><span data-if="com" style="display:none">Right</span><span data-if="dotnet" style="display:none">right</span><span data-if="python" style="display:none">right</span></code></i></a>).  Positive values results in a smaller, negative
values in a larger size.  If all parameters are set to zero, the
region remains unchanged.</p>
<h2 id="sec_execution">运行信息</h2>
<ul>
  <li>多线程类型:可重入(与非独占操作符并行运行)。</li>
<li>多线程作用域:全局(可以从任何线程调用)。</li>
  
    <li>在元组级别自动并行化。</li>
    <li>在图像通道级别自动并行化。</li>
  
</ul>
<h2 id="sec_parameters">参数表</h2>
  <div class="par">
<div class="parhead">
<span id="Image" class="parname"><b><code><span data-if="hdevelop" style="display:inline">Image</span><span data-if="c" style="display:none">Image</span><span data-if="cpp" style="display:none">Image</span><span data-if="com" style="display:none">Image</span><span data-if="dotnet" style="display:none">image</span><span data-if="python" style="display:none">image</span></code></b> (input_object)  </span><span>(multichannel-)image(-array) <code>→</code> <span data-if="hdevelop" style="display:inline">object</span><span data-if="dotnet" style="display:none"><a href="HImage.html">HImage</a></span><span data-if="python" style="display:none">HObject</span><span data-if="cpp" style="display:none"><a href="HImage.html">HImage</a></span><span data-if="c" style="display:none">Hobject</span> (byte / direction / cyclic / int1 / int2 / uint2 / int4 / real)</span>
</div>
<p class="pardesc">Input image.</p>
</div>
  <div class="par">
<div class="parhead">
<span id="ImagePart" class="parname"><b><code><span data-if="hdevelop" style="display:inline">ImagePart</span><span data-if="c" style="display:none">ImagePart</span><span data-if="cpp" style="display:none">ImagePart</span><span data-if="com" style="display:none">ImagePart</span><span data-if="dotnet" style="display:none">imagePart</span><span data-if="python" style="display:none">image_part</span></code></b> (output_object)  </span><span>(multichannel-)image(-array) <code>→</code> <span data-if="hdevelop" style="display:inline">object</span><span data-if="dotnet" style="display:none"><a href="HImage.html">HImage</a></span><span data-if="python" style="display:none">HObject</span><span data-if="cpp" style="display:none"><a href="HImage.html">HImage</a></span><span data-if="c" style="display:none">Hobject *</span> (byte / direction / cyclic / int1 / int2 / uint2 / int4 / real)</span>
</div>
<p class="pardesc">Image area.</p>
</div>
  <div class="par">
<div class="parhead">
<span id="Top" class="parname"><b><code><span data-if="hdevelop" style="display:inline">Top</span><span data-if="c" style="display:none">Top</span><span data-if="cpp" style="display:none">Top</span><span data-if="com" style="display:none">Top</span><span data-if="dotnet" style="display:none">top</span><span data-if="python" style="display:none">top</span></code></b> (input_control)  </span><span>integer <code>→</code> <span data-if="dotnet" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="python" style="display:none">int</span><span data-if="cpp" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="c" style="display:none">Htuple</span><span data-if="hdevelop" style="display:inline"> (integer)</span><span data-if="dotnet" style="display:none"> (<i>int</i> / </span><span data-if="dotnet" style="display:none">long)</span><span data-if="cpp" style="display:none"> (<i>Hlong</i>)</span><span data-if="c" style="display:none"> (<i>Hlong</i>)</span></span>
</div>
<p class="pardesc">Number of rows clipped at the top.</p>
<p class="pardesc"><span class="parcat">Default:
      </span>-1</p>
<p class="pardesc"><span class="parcat">Suggested values:
      </span>-20, -10, -5, -3, -2, -1, 0, 1, 2, 3, 4, 5, 10, 20</p>
</div>
  <div class="par">
<div class="parhead">
<span id="Left" class="parname"><b><code><span data-if="hdevelop" style="display:inline">Left</span><span data-if="c" style="display:none">Left</span><span data-if="cpp" style="display:none">Left</span><span data-if="com" style="display:none">Left</span><span data-if="dotnet" style="display:none">left</span><span data-if="python" style="display:none">left</span></code></b> (input_control)  </span><span>integer <code>→</code> <span data-if="dotnet" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="python" style="display:none">int</span><span data-if="cpp" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="c" style="display:none">Htuple</span><span data-if="hdevelop" style="display:inline"> (integer)</span><span data-if="dotnet" style="display:none"> (<i>int</i> / </span><span data-if="dotnet" style="display:none">long)</span><span data-if="cpp" style="display:none"> (<i>Hlong</i>)</span><span data-if="c" style="display:none"> (<i>Hlong</i>)</span></span>
</div>
<p class="pardesc">Number of columns clipped at the left.</p>
<p class="pardesc"><span class="parcat">Default:
      </span>-1</p>
<p class="pardesc"><span class="parcat">Suggested values:
      </span>-20, -10, -5, -3, -2, -1, 0, 1, 2, 3, 4, 5, 10, 20</p>
</div>
  <div class="par">
<div class="parhead">
<span id="Bottom" class="parname"><b><code><span data-if="hdevelop" style="display:inline">Bottom</span><span data-if="c" style="display:none">Bottom</span><span data-if="cpp" style="display:none">Bottom</span><span data-if="com" style="display:none">Bottom</span><span data-if="dotnet" style="display:none">bottom</span><span data-if="python" style="display:none">bottom</span></code></b> (input_control)  </span><span>integer <code>→</code> <span data-if="dotnet" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="python" style="display:none">int</span><span data-if="cpp" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="c" style="display:none">Htuple</span><span data-if="hdevelop" style="display:inline"> (integer)</span><span data-if="dotnet" style="display:none"> (<i>int</i> / </span><span data-if="dotnet" style="display:none">long)</span><span data-if="cpp" style="display:none"> (<i>Hlong</i>)</span><span data-if="c" style="display:none"> (<i>Hlong</i>)</span></span>
</div>
<p class="pardesc">Number of rows clipped at the bottom.</p>
<p class="pardesc"><span class="parcat">Default:
      </span>-1</p>
<p class="pardesc"><span class="parcat">Suggested values:
      </span>-20, -10, -5, -3, -2, -1, 0, 1, 2, 3, 4, 5, 10, 20</p>
</div>
  <div class="par">
<div class="parhead">
<span id="Right" class="parname"><b><code><span data-if="hdevelop" style="display:inline">Right</span><span data-if="c" style="display:none">Right</span><span data-if="cpp" style="display:none">Right</span><span data-if="com" style="display:none">Right</span><span data-if="dotnet" style="display:none">right</span><span data-if="python" style="display:none">right</span></code></b> (input_control)  </span><span>integer <code>→</code> <span data-if="dotnet" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="python" style="display:none">int</span><span data-if="cpp" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="c" style="display:none">Htuple</span><span data-if="hdevelop" style="display:inline"> (integer)</span><span data-if="dotnet" style="display:none"> (<i>int</i> / </span><span data-if="dotnet" style="display:none">long)</span><span data-if="cpp" style="display:none"> (<i>Hlong</i>)</span><span data-if="c" style="display:none"> (<i>Hlong</i>)</span></span>
</div>
<p class="pardesc">Number of columns clipped at the right.</p>
<p class="pardesc"><span class="parcat">Default:
      </span>-1</p>
<p class="pardesc"><span class="parcat">Suggested values:
      </span>-20, -10, -5, -3, -2, -1, 0, 1, 2, 3, 4, 5, 10, 20</p>
</div>
<h2 id="sec_result">结果</h2>
<p><code><span data-if="hdevelop" style="display:inline">crop_domain_rel</span><span data-if="c" style="display:none">crop_domain_rel</span><span data-if="cpp" style="display:none">CropDomainRel</span><span data-if="com" style="display:none">CropDomainRel</span><span data-if="dotnet" style="display:none">CropDomainRel</span><span data-if="python" style="display:none">crop_domain_rel</span></code> returns <TT>2</TT> (
      <TT>H_MSG_TRUE</TT>)
     if all parameters are
correct.  The behavior in case of empty input (no regions given) can
be set via <a href="set_system.html"><code><span data-if="hdevelop" style="display:inline">set_system('no_object_result',&lt;Result&gt;)</span><span data-if="c" style="display:none">set_system("no_object_result",&lt;Result&gt;)</span><span data-if="cpp" style="display:none">SetSystem("no_object_result",&lt;Result&gt;)</span><span data-if="com" style="display:none">SetSystem("no_object_result",&lt;Result&gt;)</span><span data-if="dotnet" style="display:none">SetSystem("no_object_result",&lt;Result&gt;)</span><span data-if="python" style="display:none">set_system("no_object_result",&lt;Result&gt;)</span></code></a>
and the behavior in case of an empty input region via
<a href="set_system.html"><code><span data-if="hdevelop" style="display:inline">set_system('empty_region_result',&lt;Result&gt;)</span><span data-if="c" style="display:none">set_system("empty_region_result",&lt;Result&gt;)</span><span data-if="cpp" style="display:none">SetSystem("empty_region_result",&lt;Result&gt;)</span><span data-if="com" style="display:none">SetSystem("empty_region_result",&lt;Result&gt;)</span><span data-if="dotnet" style="display:none">SetSystem("empty_region_result",&lt;Result&gt;)</span><span data-if="python" style="display:none">set_system("empty_region_result",&lt;Result&gt;)</span></code></a>.
如有必要，将引发异常。</p>
<h2 id="sec_predecessors">可能的前置算子</h2>
<p>
<code><a href="reduce_domain.html"><span data-if="hdevelop" style="display:inline">reduce_domain</span><span data-if="c" style="display:none">reduce_domain</span><span data-if="cpp" style="display:none">ReduceDomain</span><span data-if="com" style="display:none">ReduceDomain</span><span data-if="dotnet" style="display:none">ReduceDomain</span><span data-if="python" style="display:none">reduce_domain</span></a></code>, 
<code><a href="threshold.html"><span data-if="hdevelop" style="display:inline">threshold</span><span data-if="c" style="display:none">threshold</span><span data-if="cpp" style="display:none">Threshold</span><span data-if="com" style="display:none">Threshold</span><span data-if="dotnet" style="display:none">Threshold</span><span data-if="python" style="display:none">threshold</span></a></code>, 
<code><a href="connection.html"><span data-if="hdevelop" style="display:inline">connection</span><span data-if="c" style="display:none">connection</span><span data-if="cpp" style="display:none">Connection</span><span data-if="com" style="display:none">Connection</span><span data-if="dotnet" style="display:none">Connection</span><span data-if="python" style="display:none">connection</span></a></code>, 
<code><a href="regiongrowing.html"><span data-if="hdevelop" style="display:inline">regiongrowing</span><span data-if="c" style="display:none">regiongrowing</span><span data-if="cpp" style="display:none">Regiongrowing</span><span data-if="com" style="display:none">Regiongrowing</span><span data-if="dotnet" style="display:none">Regiongrowing</span><span data-if="python" style="display:none">regiongrowing</span></a></code>, 
<code><a href="pouring.html"><span data-if="hdevelop" style="display:inline">pouring</span><span data-if="c" style="display:none">pouring</span><span data-if="cpp" style="display:none">Pouring</span><span data-if="com" style="display:none">Pouring</span><span data-if="dotnet" style="display:none">Pouring</span><span data-if="python" style="display:none">pouring</span></a></code>
</p>
<h2 id="sec_alternatives">可替代算子</h2>
<p>
<code><a href="crop_domain.html"><span data-if="hdevelop" style="display:inline">crop_domain</span><span data-if="c" style="display:none">crop_domain</span><span data-if="cpp" style="display:none">CropDomain</span><span data-if="com" style="display:none">CropDomain</span><span data-if="dotnet" style="display:none">CropDomain</span><span data-if="python" style="display:none">crop_domain</span></a></code>, 
<code><a href="crop_rectangle1.html"><span data-if="hdevelop" style="display:inline">crop_rectangle1</span><span data-if="c" style="display:none">crop_rectangle1</span><span data-if="cpp" style="display:none">CropRectangle1</span><span data-if="com" style="display:none">CropRectangle1</span><span data-if="dotnet" style="display:none">CropRectangle1</span><span data-if="python" style="display:none">crop_rectangle1</span></a></code>
</p>
<h2 id="sec_see">参考其它</h2>
<p>
<code><a href="smallest_rectangle1.html"><span data-if="hdevelop" style="display:inline">smallest_rectangle1</span><span data-if="c" style="display:none">smallest_rectangle1</span><span data-if="cpp" style="display:none">SmallestRectangle1</span><span data-if="com" style="display:none">SmallestRectangle1</span><span data-if="dotnet" style="display:none">SmallestRectangle1</span><span data-if="python" style="display:none">smallest_rectangle1</span></a></code>, 
<code><a href="intersection.html"><span data-if="hdevelop" style="display:inline">intersection</span><span data-if="c" style="display:none">intersection</span><span data-if="cpp" style="display:none">Intersection</span><span data-if="com" style="display:none">Intersection</span><span data-if="dotnet" style="display:none">Intersection</span><span data-if="python" style="display:none">intersection</span></a></code>, 
<code><a href="gen_rectangle1.html"><span data-if="hdevelop" style="display:inline">gen_rectangle1</span><span data-if="c" style="display:none">gen_rectangle1</span><span data-if="cpp" style="display:none">GenRectangle1</span><span data-if="com" style="display:none">GenRectangle1</span><span data-if="dotnet" style="display:none">GenRectangle1</span><span data-if="python" style="display:none">gen_rectangle1</span></a></code>, 
<code><a href="clip_region.html"><span data-if="hdevelop" style="display:inline">clip_region</span><span data-if="c" style="display:none">clip_region</span><span data-if="cpp" style="display:none">ClipRegion</span><span data-if="com" style="display:none">ClipRegion</span><span data-if="dotnet" style="display:none">ClipRegion</span><span data-if="python" style="display:none">clip_region</span></a></code>
</p>
<h2 id="sec_module">模块</h2>
<p>
Foundation</p>
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